James Roy Horner (born August 14, 1953) is an American composer, orchestrator and conductor of orchestral and film music. He is noted for the integration of choral and electronic elements in many of his film scores, and for frequent use of Celtic musical elements.
Horner's career spans over three decades and he has composed several of Hollywood's most famous film scores. His score to the 1997 film Titanic remains the best selling orchestral film soundtrack of all time.
In addition, Horner has scored over 100 films, frequently collaborating with acclaimed directors such as Mel Gibson, James Cameron and Ron Howard. Other scores he worked on include those of Braveheart, Willow, Apollo 13, Star Trek II: The Wrath of Khan, Aliens, Glory, The Mask of Zorro, The Legend of Zorro, Enemy at the Gates, The Missing, Star Trek III: The Search for Spock, The Rocketeer, A Beautiful Mind, The Perfect Storm, Avatar, and, most recently, The Karate Kid, which was released in June 2010.
His body of work is notable for including the scores to the two highest-grossing films of all time; Titanic and Avatar, both of which were directed by James Cameron.
Horner is a two-time Academy Award-winner, and has received a total of 10 Oscar nominations. He has won numerous other awards, including the Golden Globe Award and the Grammy Award.